24 lines
759 B
Go
24 lines
759 B
Go
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package auth
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// LoginState is the per-login data we stash in a short-lived encrypted cookie
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// during /login, to validate the response at /callback.
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type LoginState struct {
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State string // CSRF token echoed back in the callback
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Verifier string // PKCE code verifier
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Nonce string // OIDC nonce echoed back in the ID token
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}
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// EncodeLoginState encrypts the login state into a cookie value.
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func EncodeLoginState(ls LoginState, key [32]byte) (string, error) {
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return seal(key, ls)
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}
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// DecodeLoginState decrypts a cookie value produced by EncodeLoginState.
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func DecodeLoginState(encoded string, key [32]byte) (LoginState, error) {
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var ls LoginState
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if err := open(key, encoded, &ls); err != nil {
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return LoginState{}, err
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}
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return ls, nil
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}
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